Display apparatus and method of manufacturing the same
A display apparatus and a method of manufacturing the display method are provided. The display apparatus includes a transfer substrate, and micro display elements spaced apart from each other in units of sub-pixels on the transfer substrate, wherein each of the micro display elements includes a micro light emitting unit and a drive unit, wherein the drive unit includes drive electrodes and drives the micro light emitting unit.
1 . A display apparatus comprising:
a transfer substrate comprising grooves; and
micro display elements divided in units of sub-pixels, respectively provided in the grooves, and respectively spaced apart and separated from each other on the transfer substrate,
wherein each of the micro display elements comprises a micro light emitting unit contacting a surface of a respective groove and a drive unit which faces the micro light emitting unit and is spaced apart from the surface of the respective groove, and
wherein the drive unit comprises drive electrodes and is configured to drive the micro light emitting unit.
2 . The display apparatus of claim 1 , wherein the drive unit is monolithically coupled to the micro light emitting unit.
3 . The display apparatus of claim 1 , wherein a width of the drive unit is the same as a width of the micro light emitting unit.
4 . The display apparatus of claim 1 , wherein each of the micro display elements further comprises an insulating layer provided between the micro light emitting unit and the drive unit and divided in the units of the sub-pixels.
5 . The display apparatus of claim 1 , wherein the drive electrodes are provided at different distances from a center of the drive unit.
6 . The display apparatus of claim 1 , wherein the drive unit further comprises a first quadrant, a second quadrant, a third quadrant, and a fourth quadrant that are partitioned by a first axis passing through a center of the drive unit and a second axis passing through the center of the drive unit and perpendicular to the first axis, and
wherein the drive electrodes are respectively provided in the first quadrant, the second quadrant, the third quadrant, and the fourth quadrant.
7 . The display apparatus of claim 2 , wherein the drive electrodes are provided at different distances from the center of the drive unit.
8 . The display apparatus of claim 1 , wherein the drive electrodes are symmetrically arranged with respect to a first axis passing through a center of the drive unit and a second axis passing through the center of the drive unit and perpendicular to the first axis.
9 . The display apparatus of claim 1 , wherein each of the drive electrodes comprises any one of a concentric circle structure, a concentric quadrangular structure, a concentric hexagonal structure, a four-divided concentric circle structure, a four-divided concentric quadrangular structure, a four-divided concentric hexagonal structure, and a six-divided concentric hexagonal structure.
10 . The display apparatus of claim 1 , wherein the drive unit comprises at least two transistors and at least one capacitor.
11 . The display apparatus of claim 1 , wherein the micro light emitting unit comprises electrodes, and
wherein the micro light emitting unit has a horizontal electrode structure in which the electrodes are arranged in one direction.
12 . The display apparatus of claim 1 , wherein each of the micro display elements has an asymmetric structure, and the drive electrodes included in each of the micro display elements are arranged side by side.
13 . The display apparatus of claim 1 , wherein each of the micro display elements further comprises a reflective layer provided between the micro light emitting unit and the drive unit.